X0609 4 2026-09-22 0000912093 VIAVI SOLUTIONS INC. VIAV 0001446964 Daskal Ilan false C/O VIAVI SOLUTIONS INC. 1445 SOUTH SPECTRUM BLVD, SUITE 102 CHANDLER AZ 85286 1 EVP, CFO 0 Common Stock 2026-09-22 4 M 0 82671 0 A 92803 D Common Stock 2026-09-22 4 F 0 37285 36.40 D 55518 D Common Stock 2026-09-22 4 M 0 71127 0 A 126645 D Common Stock 2026-09-22 4 F 0 32079 36.40 D 94566 D Market Stock Units 0 2026-09-22 4 M 0 82671 0 D Common Stock 82671 55115 D Market Stock Units 0 2026-09-22 4 M 0 71127 0 D Common Stock 71127 94840 D Market Stock Units 0 2026-09-22 4 A 0 56820 0 A Common Stock 56820 37880 D Market Stock Units 0 2026-09-22 4 A 0 98914 0 A Common Stock 98914 131888 D Each stock unit converts upon vesting into one share of common stock. These shares were retained by the Company in order to meet the tax withholding obligations of the award-holder in connection with the vesting of an installment of the market stock award. The amount retained by the Company was not in excess of the amount of the tax liability. Shares reflect the vesting of the 2nd tranche of market-leveraged stock units granted on August 28, 2024 at 150.00% of target based on our total stockholder return during the performance periods as stated on the grant agreement. There are no expiration dates on MSUs. Shares reflect the vesting of the 1st tranche of market-leveraged stock units granted on August 28, 2025 at 150.00% of target based on our total stockholder return during the performance periods as stated on the grant agreement. Represents the market stock units granted on November 28, 2023, which reflect the satisfaction of performance metrics. The market stock units vest on November 28, 2026, subject to continued service. /s/ Donna T. Rossi, attorney-in-fact 2026-09-23